Note that individual router models may not support every feature. Essential cisco ios commands internetwork training. For security purposes, the cisco ios software provides two levels of access to. When we think of connectivity in a network, the router is probably the. Understanding ethernet switches and routers this extended article was based on a twopart article that was written by george thomas of contemporary controls and appeared in the february and march 2011 issues of intech magazine an isa publication. Cisco ios modes of operation the cisco ios software provides access to several different command modes. To create and configure a cisco network, you need to know about routers and switches to develop and manage secure cisco systems. See the cisco website or the manual of the router for additional information. How to configure and verify switch administration and layer 2 protocols.
If multiple networks are connected to a switch, you need to specify how the switch forwards the internetwork frames, because the path must be determined at layer three. You need to configure the router so that it can communicate with your network components. To configure the global parameters for your router, follow these steps. Sans institute information security policy templates. How to configure cisco switches a step by step guide comparitech. It is not meant to replace well designed policy or sound judgement. Make sure that the router and switch have been erased and have no startup configurations. Save the three files so that they can be used to restore configs later in the lab. In order to keep your home network or even your corporate network in top shape, you need to understand how to verify your configuration, as well as keep the configuration safe by backing up your configurations on your network devices. So you need to set that to cisco on router 2 and of the switch set the secret password to cisco.
Im using a 3550 layer3 switch because its dirtcheap and can. Pdf zxr10 routerethernet switch command manual basic. Cisco ios router configuration commands cheat sheet pdf. Mar 23, 2019 this article will show you how to login to your router setup page.
In most cases, the default configuration of switches will enable the switch to connect. These features are not critical to the functions of the router in a network, but these features help make administrating the router easier and secure. Hubs and switches are covered in great detail in another guide. Cisco router configuration tutorial cisco internetwork operating system. Security hardening checklist guide for cisco routersswitches. The server can also issue other configurations to the client that help it function on the network such as the addresses of domain name system dns and windows internet naming service wins servers. Remember that all of the commands in this section work on. Router and switch administrative configurations ccna cisco. For administrative purpose, switch automatically create vlan 1 and assign all its interfaces to it.
This standard describes a required minimal security configuration for all routers and switches connecting to a production network or used in a production capacity at or on behalf of loyola university chicago. The implications and reasoning behind this action are explained in the next chapter. Router router is a device which makes connection possible between two or more different networks present at same or different geographical locations. Create a basic switch configuration, including a name and an ip address. In this video, todd lammle describes and demonstrates how to configure and verify your cisco router and switch interfaces. Youll also learn how to delete your configuration and set the router back. Router and switch administrative configurations ccna. Computer a fa010 fa011 computer b switch when computera sends a frame to computerb, the switch will add computera s mac address to its table, associating it with port fa010.
Activating the cisco ios resilient configuration feature background in this activity, you will harden the. How is the best way to connect my switch and router. Installation and configuration of network devices is one of the most important tasks which ensure the smooth running of the system. It works well in open workspaces, large conference rooms and executive offices and with actively mobile workers within a campus. Short and complete guide to configure ssh on cisco router and switch for secure remote connection. Basic router configuration this chapter provides procedures for configuring the basic parameters of your cisco router, including global parameter settings, routing protocols, interfaces, and comma ndline access. This of course means that there should be an initial configuration file inside the router so it knows where to connect to in order to get the configuration. Since these kinds of posts are useful as a reference for many people, i have decided to create also a cisco router commands cheat sheet with the most useful and the most frequently used command line interface cli configuration commands for cisco routers. Dynamic host configuration protocol dhcp enables hosts on an ip network, called dhcp clients, to lease a temporary ip address from a dhcp server.
Enters global configuration mode, when using the console port. The secure shell ssh is a cryptographic network protocol for operating network services securely over an unsecured network. Switching between junos os cli operational and configuration modes 34. Interface names may vary between fastethernet and gigabitethernet, depending on your hardware choice a switch s1 of almost any vintage. In order to configure a router or change settings e. Each command mode provides a different group of related commands. Dynamic host configuration protocol dhcp overview figure 2.
Making changes to a routing protocol configuration 51. New used cisco prices comparison, check cisco equipment data sheet. Routers connect two or more logical subnets, which do not necessarily map onetoone to the physical. Switches are layer 2 devices and are therefore relatively easy to configure in comparison to routers. Apr 15, 2008 the type of access that you must enable depends on whether modules are installed in your cisco router or switch and the role of the device in your network. To configure the system date and time, from the administration navigation menu, select. This document describes the commands used to configure lan switching and multilayer.
Aug 09, 2010 lesson 3 initial configuration of cisco switch and router understanding technologies requires a skill. Basics of cisco switch administration part 1 petri. Configure your router to make your network complete. Fortunately, the configuration steps are rather straightforward. Cisco networking allinone for dummies cheat sheet dummies. Ccna security chapter 11 ccna security comprehensive lab. Control administrative access for routers in part 2 of this lab, you. Mars uses this administrative access to discover the devices configuration and, at times, to make changes to the devices running configuration. Save the basic running configuration for each router and switch. Specifies an encrypted password to prevent unauthorized. Basic router configuration arvutiteaduse instituut. Cisco router basic network configuration ccna lab 11.
These features are not critical to the functions of the router in a network, but these features help make administrating the. The switch will then build the macaddress table by examining the source mac address of each frame. This is done by specifying a default gateway address that points to a router or layer 3 switch. Become acquainted with cisco network devices and code listings. Follow this stepbystep guide to get your switch configured and then turn it on to get your network buzzing. The long answer to that question requires an examination of the open systems. Displays details of the administrative and operational gvrp states of all or. In a previous post, i have published a cisco switch commands cheat sheet tutorial. Procurve secure router dhcp server you should configure one dhcp pool for each subnet. Knowing how switches normally boot and load an operating system is also important. He steps through the commands to configure serial and ethernet interfaces. Cisco router basic network configuration ccna lab 11 posted on july 29, 20 by alex no comments v a good practice method for the ccna exam cisco certified networking associate if you have the cisco study tool packet tracer is to download some practice labs that cover the ccna objectives. Learn how to assign an ip address to an interface and see how to enable cisco router interfaces. Configure secure router administrative access configure encrypted passwords and a login banner.
For security and easy administration, ios commands are divided in. The default gateway is essentially the address of the router that the switch will be communicating with. Professional cisco supplier buy and sell cisco router, cisco switch, cisco firewall. This tutorial explains basic switch configuration commands in detail with examples.
It also describes the default configuration on startup. Save the basic running configuration for each router. Chapter 7 basic administrative and management issues 266. Configuration and commands explained in this tutorial are essential commands to manage a cisco switch effectively. Configure secure router administrative access chapters 2 and 3. Jun 07, 2011 in the previous section you became familiar with the ios cli and even used a few commands to move around it. Cisco router and switch forensics is the first book devoted to criminal attacks, incident response, data collection, and legal testimony on the market leader in network devices, including routers, switches, and wireless access points. Be sure to connect the serial dce cable to router r1 and the serial dte cable to router r2. A frame can then be forwarded out only the appropriate destination port, instead of all ports. Adding or removing hosts is very simple in a star topology.
Router security configuration guide unclassified 2 unclassified version 1. By configuring the hostname, banner, interface descriptions, and passwords, and encrypting your passwords, youll be able to troubleshoot your network more easily as well as secure your cisco router or switch. February 28, 2012 basic switch configuration cisco ios basic switch functions, names and passwords the switch name is tool to let us see what device we are connected to. If you are if you are unsure, contact your instructor or refer to the previous lab for the procedures to initialize and reload devices. Defines standards for minimal security configuration for routers and switches inside a production network, or used in a production capacity. Lesson 3 initial configuration of cisco switch and router. When you go to a computer store to purchase a device. The first step is to enter privileged exec mode, essentially the administrative mode.
Optional when the router or switch is transmitting, translates pervlan. Router switch cisco router, cisco switch, new used cisco. Basic configuration of a cisco switch can be done in three ways, using cisco device manager web tool, using cisco networking assistant cna and cisco ios setup mode. Use the transfer capture text option in hyperterminal or some other method to capture the running configs for each router. Systeme dexploitation reseau securisation, administration. Basic configuration of cisco 2600 router technical blog. Routers and switches are both computer networking devices that allow one or more computers to be connected to other computers, networked devices, or to other networks the functions of a router, switch and hub and are all different, even if at times they are integrated into a single device. Router and switch security policy free use disclaimer. Let us study some other differences between router and switch with the help of comparison chart shown below. Basic router configuration routing protocols and concepts introduction to routing and packet forwarding lab. First, you add the base module of the switch, providing administrative access to that device. However, a best practice for basic switch configuration is to change the management vlan to a vlan other than vlan 1. Chapter 7 basic administrative and management issues 266 chapter 8 comprehensive ios configuration for the zip network 294.
The prompt will display the name of the switch so sw1 tells us that we are connected to a switch named sw1. Learn the basics of a cisco switch configuration in this video. In this video, todd lammle shows you how to set up the basic administrative functions on a cisco router and switch. Using the exit or end command will go back to the previous configuration prompt, when you exit configuration mode, it writes the changes. Aug 09, 2011 ccna guide to cisco networking fundamentals chapter 12 basic switching and switch configuration slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. S1 is a layer 2 switch, so it makes forwarding decisions based on the layer 2 header. For the default gateway, you would specify the ip address of the ethernet interface through which the router connects to the subnet. The basic difference between a router and a switch is that a router connects different networks together whereas, a switch connect multiple devices together to create a network. Even though not mine, but the best definition of what a skill is, could be summarized in five words. You can create custom vlans from global configuration mode and then. These configurations do not require knowledge of ios commands. In most instances, the router will come with a builtin switch shortened term for switching hub so that you can connect several ethernet devices to just one device. Router and switch administrative configurations even though the following sections arent critical to making a router or switch work on a network, theyre still really important. A switch builds a hardware address table, allowing it to make intelligent forwarding decisions based on frame datalink headers.
After you connect the router to the network, or simply turn on a wireless router, you connect to the router by using your pcs web. If you are properly able to configure and install you devices, then you will save yourself from loads from problems which might occur to you in the future. Above you can see that this router is the dce so we will have to set a clock rate. The cisco 500x models provide an additional layer of resiliency with support for the virtual router redundancy protocol vrrp. Learn how to configure and manage a cisco switch step by step with this basic switch commands and configuration guide.
This module provides basic configuration procedures for the cisco 800m series isr and contains the following sections. To prevent unauthorized access of nonadmin user, user authentication is required. When the switch is taken out of box, first thing a network will do is secure it by assigning it with an ip address, a default gateway and subnet mask so that the switch is under control even from a remote location. How is the best way to connect my switch and router configuration. Cisco is one of the most wellknown switch vendors on the market and in this article were going to look at how to configure cisco switches. Learn how to view, copy, and erase a configuration file on a cisco router or switch. You can also replace individual devices in the stack without taking your network offline or affecting employee productivity. Com 3 key features and benefits ip phones for a variety of needs the 8800 series is ideal for knowledge workers, administrative and executive staff. Chapter 4 basic configuration of a cisco router or switch. If you have a new cisco router, and access the router for the first time, the router enters the initial configuration setup mode, where ios asks to type a few configuration settings. Even though the following sections arent critical to making a router or switch work on a network, theyre still really important. When the usb device is plugged into a router, the configuration file can be downloaded and run by the router. The first two are gui tools and the latter is a cli option. This policy was created by or for the sans institute for the internet community.
I also just connected my wireless router to the switch. Vlan 10 is configured in switch 1 and vlan 20 is configured in switch 2. How to configure cisco switches a step by step guide. It applies equally to wired, wireless, cable and adsl telephone broadband routers. In a properly designed network, lan switches are responsible for directing and controlling the data the flow at the access layer to networked resources. Configuring 2 switches and a router cisco community. All or parts of this policy can be freely used for your organization. So what is the difference between an ethernet router and an ethernet switch. The bestknown example application is for remote login to computer systems by users. Once configured and enabled, learn some helpful commands such as show ip interface brief and show.
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